Sold OZ Audio Matrix 12" subwoofers

gleepoy
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OZ Audio Matrix 12" [300L] subs

$75 each plus shipping FIRM.

These are the last generation of the 300L subs with single 4 ohm voice coils, cast aluminium baskets, venting under the spider, push-type speaker terminals, and rubber gaskets and magnet boot.

They are in perfect working condition. No tears, dents, cracks, or dimples in the cones or surrounds. I still have the original boxes for the subs.

T/S parameters are as follows:

FS: 28.98

Qts: 0.450

Qes: 0.485

Qms: 6.257

Vas: 2.363 cuft

Re: 3.01

Le: 2.963 mH

Pe: 250 wrms

Mounting depth: 5.475"

Mounting diameter: 11.0"

Here's a couple of vids I made of the sub playing a 15Hz tone.

http://rapidshare.com/files/201380854/Oz_vids.zip

If interested, email me at: gleepoy@gmail.com

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how would these compare to an idq in sq?
Can anybody chime in on that?
Yes, I can...I've had both. I also had IDQ15 v.2's.

They do share some similarities in terms of tonality. The OZ 300L's have a bit more lowend extension and meatier sound. The IDQ15 v.2 sound a bit more dry (in the good sense). But they are both great SQ subs. I also found the the OZ drivers to be louder and much more efficient, but that's probably because the IDQ's were specifically made to be a small box driver.

 
Ideal ported volume and tuning frequency?Kef
Ported enclosure recommendations range from 1.25 - 2.25 cubic feet, with a tuning ranging from 32-35Hz.

However as with all ported enclosures, it's a matter of preference and goals. I prefer a tad lower tuning @ ~ 28-29Hz which is closer to FS. Also, there's absolutely no reason why you can't use a larger enclosure than the 2.25cf max recommendation.

 
I know this, I'm just asking if they recommended a certain volume as ideal.

I'm asking only because I have a ported enclosure for a 12, but it's 1.5 @ 35hz, and if that's not ideal, I would make one if I bought the sub off you.

Kef

 
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